public override void DrawLayer(BitmapCanvas canvas, DenseMatrix parentMatrix, byte parentAlpha)
{
LottieLog.BeginSection("CompositionLayer.Draw");
canvas.GetClipBounds(out _originalClipRect);
RectExt.Set(ref _newClipRect, 0, 0, LayerModel.PreCompWidth, LayerModel.PreCompHeight);
parentMatrix.MapRect(ref _newClipRect);
for (var i = _layers.Count - 1; i >= 0; i--)
{
var nonEmptyClip = true;
if (!_newClipRect.IsEmpty)
{
nonEmptyClip = canvas.ClipRect(_newClipRect);
}
if (nonEmptyClip)
{
BaseLayer layer = _layers[i];
layer.Draw(canvas, parentMatrix, parentAlpha);
}
}
if (!_originalClipRect.IsEmpty)
{
canvas.ClipRect(_originalClipRect, Region.Op.Replace);
}
LottieLog.EndSection("CompositionLayer.Draw");
}